Shareholder in TWST (NASDAQ: TWST) plans sale of 2,200 shares

Rhea-AI Filing Summary

A holder of the issuer’s common stock has filed a Form 144 notice to sell up to 2,200 common shares through Fidelity Brokerage Services LLC on the NASDAQ, with an aggregate market value of $105,394.74, around February 6, 2026.

The 2,200 shares were acquired on February 5, 2026 via restricted stock vesting from the issuer as compensation. Over the prior three months, the same holder sold 7,044 common shares on November 18, 2025 for gross proceeds of $174,479.88.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	2200	105394.74	61311704	02/06/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/05/2026	Restricted Stock Vesting	Issuer			2200	02/05/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Jan Johannessen 681 Gateway Blvd South San Francisco CA 94080	Common	11/18/2025	7044	174479.88

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many TWST shares are planned for sale under this Form 144?

The Form 144 covers a planned sale of 2,200 common shares. These shares have an aggregate market value of $105,394.74 and are expected to be sold through Fidelity Brokerage Services LLC on the NASDAQ around February 6, 2026.

How were the TWST shares being sold under Form 144 acquired?

The 2,200 TWST common shares were acquired on February 5, 2026 through restricted stock vesting. They were received directly from the issuer as compensation, rather than purchased for cash in the open market or via another transaction structure.

What prior TWST stock sales has this shareholder reported in the last three months?

During the past three months, the shareholder reported selling 7,044 common shares of TWST on November 18, 2025, generating $174,479.88 in gross proceeds. This sale is listed separately from the newly planned 2,200-share transaction in the disclosure.

Which broker and exchange will handle the planned TWST share sale?

The Form 144 states that the sale will be executed through Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island. The common shares are expected to be sold on the NASDAQ stock market, as indicated in the securities information section.

What type of TWST security is covered by this Form 144 notice?

The notice covers the issuer’s common stock. It specifies that 2,200 units of this common equity class may be sold, and also notes the shares’ acquisition via restricted stock vesting and their planned sale on the NASDAQ through a named broker.